package com.winexpress.order;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.xml.ws.WebServiceRef;

@WebServlet(name = "Initialization", urlPatterns = {"/initialization/*"})
public class Initialization extends HttpServlet {

    @WebServiceRef(wsdlLocation = "WEB-INF/wsdl/localhost_8080/WineXpress-war/SalesManagementWS.wsdl")
    private SalesManagementWS_Service service;

    protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        System.out.println("Initialization Servlet");
        response.setContentType("text/html;charset=UTF-8");
        RequestDispatcher dispatcher;
        ServletContext servletContext = getServletContext();
        String page = request.getPathInfo().substring(1);
        System.out.println(page);
        HttpSession session = request.getSession();
        SalesManagementWS port = service.getSalesManagementWSPort();

        if ("index".equals(page)) {
            //Get Number of Items in Cart
            int count = 0;
            if (session.getAttribute("items") == null) {
                int i = 0;
                request.setAttribute("itemsnum", i);
            } else {
                String items = (String) session.getAttribute("items");
                String[] array = items.split("\\;");
                for (int i = 1; i < array.length; i = i + 2) {
                    count = count + Integer.parseInt(array[i]);
                }
                request.setAttribute("itemsnum", count);
            }
            //End Number of Items in Cart

            List<Wine> list = port.getTopSellers();
            List<Wine> wineList = new ArrayList<>();

            for (int i = 0; i < list.size(); i++) {
                Wine w = (Wine) list.get(i);
                wineList.add(w);
            }

            session.setAttribute("bestSellersList", wineList);
            response.sendRedirect("/WineXpressClient/index?itemsnum="+count);
            return;
        }
        dispatcher = servletContext.getNamedDispatcher(page);
        if (dispatcher == null) {
            dispatcher = servletContext.getNamedDispatcher("Error");
        }

        dispatcher.forward(request, response);
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
